popping on start
01-14-2011 | 07:39 PM
#1
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Newbie
Joined: Jul 2010
Posts: 26
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Model: Cherokee
popping on start
I have a 95 cherokee sport 5 speed. today it has been having trouble starting and i noticed while leaving work as it started i heard a pop. I have heard a couple times today but never before today. im not sure where the sound is coming from or whats causing it. any help to point me in the right direction would be appreciated
01-15-2011 | 05:48 AM
#2
CF Veteran
Joined: Nov 2010
Posts: 5,817
Likes: 105
From: In the middle of Minnesota!
Year: 1999
Model: Cherokee
Engine: 4.0
Backfiring usually comes from either the intake manifold or the exhaust.
When it comes from the intake, that can indicate a "lean mixture". In which case you would want to test everything that can contribute to that including fuel pressure, map sensor, coolant sensor, etc.
When it comes from the intake, that can indicate a "lean mixture". In which case you would want to test everything that can contribute to that including fuel pressure, map sensor, coolant sensor, etc.
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